class_docstr: Represents a config parameter.
  
  A config parameter has a name, a default value, a type,
  a category, a documentation, an optional longer documentatation
  and an optional subtype for list style option.
  
  Most of these informations are used in cabaret to auto generate
  forms representing these options.
docstr: Return `True` if this parameter is numeric (int or float)
docstr_tok: ["Return","`","True","`","if","this","parameter","is","numeric","(","int","or","float",")"]
code: def is_numeric(self):
      """Return `True` if this parameter is numeric (int or float)"""
      return self.type in (int, float)
  
imports: from copy import deepcopy
  from pygal import formatters
  from pygal.interpolate import INTERPOLATIONS
  from pygal.style import DefaultStyle, Style
label_desc: Use image node_id 4 for calling the Key obj's underlying member method code with example usage: obj.is_numeric() and returns: unknown